Can someone please help me solve this? I’ll give brainliest

Which strategy is used by public health to reduce the incidence of food poisoning?

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months